Home / 15,849.36-21,862.53-10,182.18

Finding the Fourth Proportional to 15,849.36, 21,862.53 and 10,182.18

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Solution

The fourth proportional to 15,849.36, 21,862.53 and 10,182.18 is: 14,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,849.36 : 21,862.53 = 10,182.18 : x
  2. Step 2: Convert to fraction form
    15,849.36/21,862.53 = 10,182.18/x
  3. Step 3: Cross multiply
    15,849.36x = 21,862.53 × 10,182.18
  4. Step 4: Simplify right side
    15,849.36x = 222,608,215.72
  5. Step 5: Solve for x
    x = 222,608,215.72/15,849.36
  6. Step 6: Final answer
    x = 14,045.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.